Oliveira, Karla Ramos Melo, Juliana Galliza Santana Montalvão, Aquiles Assunção Camelier, and Fernanda Warken Rosa. “Research Protocol: The Impact of Peptic Ulcers on Patients With Chronic Obstructive Pulmonary Disease”. Journal of Evidence-Based Healthcare 4 (April 27, 2022): e3984. Accessed April 28, 2024. https://journals.bahiana.edu.br/index.php/evidence/article/view/3984.